OpenTechnical

OT-2026-000088931

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000088931) never changes.

Identity and time

Publication numberOT-2026-000088931 · never reused
Internal UUID01a0ae9b-8f11-79f6-8322-c9e2e4a61305 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088931
StatusPUBLIC

Content hashes

Canonical text9bffcd25a9250256b3eb0341c2c56e90741a5fb7bdf63cac659ab5c21d02d078
Markdown87beed945690fa6f1c545428af423df3fbda47a584101d00fcac83925a483691
PDF
Publication page032126bf2a598bea88d7ffcaf94e1a9654c94816ee4c67c73f629704d462babb
Manifesta5e3191ced192582615dfdf470bc6be17ec09af2ba5358488c779a72804f7949

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturebG/ZOp+No409vxEEYqSUdwJvUcUr7NHGpfCKrijZWQrFzg/YTolDs5g1PXSdImwo6mhs45PAPzLYjNi1E7E6AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:20.386382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088931
observed 032126bf2a598bea88d7ffcaf94e1a96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.369704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088931/manifest.json
observed a5e3191ced192582615dfdf470bc6be1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.352994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088931/publication.md
observed 87beed945690fa6f1c545428af423df3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:20.336186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088931/publication.txt
observed 9bffcd25a9250256b3eb0341c2c56e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.